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Make a trait out of sign::StateMachine for more complex Transaction flows

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This commit is contained in:
Luke Parker
2022-04-29 22:36:43 -04:00
parent 27396a6291
commit d0506e2e9b
4 changed files with 82 additions and 58 deletions
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20
coins/monero/tests/frost.rs
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@@ -8,7 +8,7 @@ use rand::rngs::OsRng;
use ff::Field;
use dalek_ff_group::{ED25519_BASEPOINT_TABLE, Scalar, EdwardsPoint};
use frost::{
pub use frost::{
FrostError, MultisigParams, MultisigKeys,
key_gen, algorithm::Algorithm, sign::{self, lagrange}
};
@@ -113,26 +113,16 @@ pub fn generate_keys() -> (Vec<Rc<MultisigKeys<Ed25519>>>, Scalar) {
}
#[allow(dead_code)] // Currently has some false positive
pub fn sign<S, A: Algorithm<Ed25519, Signature = S>>(
algorithms: Vec<A>,
pub fn sign<S, M: sign::StateMachine<Signature = S>>(
machines: &mut Vec<M>,
keys: Vec<Rc<MultisigKeys<Ed25519>>>
) -> Vec<S> {
assert!(algorithms.len() >= THRESHOLD);
assert!(keys.len() >= algorithms.len());
assert!(machines.len() >= THRESHOLD);
assert!(keys.len() >= machines.len());
let mut machines = vec![];
let mut commitments = Vec::with_capacity(PARTICIPANTS + 1);
commitments.resize(PARTICIPANTS + 1, None);
for i in 1 ..= THRESHOLD {
machines.push(
sign::StateMachine::new(
sign::Params::new(
algorithms[i - 1].clone(),
keys[i - 1].clone(),
&(1 ..= THRESHOLD).collect::<Vec<usize>>()
).unwrap()
)
);
commitments[i] = Some(machines[i - 1].preprocess(&mut OsRng).unwrap());
}